#include "Mystdio.h"
#define filename "test.txt"
int main()
{
  _FILE* fp=_fopen(filename,"w");
  if(fp==NULL)return -1;
  int i=5;
  const char*message="hello linux!!\n";
  while(i)
  {
    _fwrite(fp,message,strlen(message));
    i--;
  }

  _fclose(fp);
  return 0;
}
